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X-选择和射电选择BL Lax天体的性质
  • ISSN号：1000-8349
  • 期刊名称：《天文学进展》
  • 时间：0
  • 分类：P158[天文地球—天文学]
  • 作者机构：[1]广州大学天体物理中心,广东广州510006
  • 相关基金：国家自然科学基金资助项目（10573005,10633010） Acknowledgments：We thank the financial support from the Guangzhou Education Bureau and Guangzhou Science and Technology Bureau.
作者： 樊军辉[1], 王洪光[1], 刘怡[1], 张江水[1], 袁聿海[1], 张永伟[1], 苏江波[1]
关键词： 星系-BL, Lac天体, 星系-基本参数, 星系-喷流, galaxies-BL Lacertae objects-general, galaxies-fundamental parameters, galaxies-jet
中文摘要：

BL Lac天体表现出一系列特殊的观测性质。按照巡天方式可以分为X-选择和射电选择BL Lac天体。很多人讨论了这两者之间的关系。文章的主要工作是：①选取了两个样本；②收集了最高观测偏振读，寄主星系的绝对星等、核主导系数等；③计算了热光度、同步辐射峰频以及峰频所对应的光度、有效谱指数。基于这些数据，考察了两类BL Lac天体的性质。结果表明：X-选择和射电选择BL Lac天体在热光度、核主导系数以及有效谱指数等性质是不同的，但它们具有很相似的同步峰频光度。

英文摘要：

BL Lacertae objects show some particularly observational properties. They were classified as radio-selected and X-ray selected BL Lacertae objects from surveys. Many authors have investigated their relationship. In this paper, we （1）chose two samples for BL Lacertae objects, （2）compiled their maximum optical polarization, absolute magnitude of the host galaxy, and core-dominance parameter, and （3）calculated the bolometric luminosity, the peak frequency, the luminosity at the peak frequency, and the effective spectral indexes for some objects. Based on those data, we revisited the properties of BL Lacertae objects. The results show that radio-selected and X-ray selected BL Lacertae objects are different in the bolometric luminosity, the core-dominance parameters, and the effective spectral indexes, but they have similar peak-frequency luminosity.

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Blazar天体的辐射、结构与演化
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期刊信息
  • 《天文学进展》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国科学院上海天文台 中国天文学会
  • 主编：沈志强
  • 地址：上海市南丹路80号406
  • 邮编：200030
  • 邮箱：twxjz@shao.ac.cn
  • 电话：021-34775108
  • 国际标准刊号：ISSN：1000-8349
  • 国内统一刊号：ISSN：31-1340/P
  • 邮发代号:4-819
  • 获奖情况:
  • 1996年在第2届上海市优秀科技期刊评比中获得3等奖...,获得2011年上海市新闻出版局组织的期刊审读优秀奖
  • 国内外数据库收录:
  • 日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:1404